Folding mechanism of a machine arm



FIG. 1 is a perspective view of the folding mechanism of a machine arm;

FIG. 2 is a front view thereof, the rear view being a mirror thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view of the folding mechanism of a machine armpositioned in a folded configuration.

CLAIM The ornamental design for a folding mechanism of a machine arm, asshown and described.